Multi-spectral digital holography with high-speed wavelength switching and high-speed camera

Yu-Hsuan Huang; Yoshio Hayasaki

doi:10.1117/12.2320077

18 August 2018 Multi-spectral digital holography with high-speed wavelength switching and high-speed camera

Yu-Hsuan Huang, Yoshio Hayasaki

Proceedings Volume 10749, Interferometry XIX; 107490I (2018) https://doi.org/10.1117/12.2320077
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

Digital holography is now often used for biomedical imaging because of its ability of post-computational focusing and the quantitative phase imaging of a transparent biological cell. The spectral information is also important to observe the functional property and the structure of a biomedical cell. In the multi-spectral digital holography, a target is illuminated by light with each wavelength, the corresponding interference fringes are recorded, and then the image reconstruction iterates for each wavelength. The most common method is to use the wavelength switching, but when an object is changing temporally, the wavelength switching should be faster than the changing speed of the object. In this paper, we demonstrate a capturing method of the digital holography with fast wavelength switching based on a white-light continuum laser with acousto-optic modulator and a high-speed camera.

Conference Presentation

Citation Download Citation

Yu-Hsuan Huang and Yoshio Hayasaki "Multi-spectral digital holography with high-speed wavelength switching and high-speed camera", Proc. SPIE 10749, Interferometry XIX, 107490I (18 August 2018); https://doi.org/10.1117/12.2320077

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